diff --git a/pkgs/development/python-modules/cantools/default.nix b/pkgs/development/python-modules/cantools/default.nix
index 4e4dff898424..2fa525773a63 100644
--- a/pkgs/development/python-modules/cantools/default.nix
+++ b/pkgs/development/python-modules/cantools/default.nix
@@ -18,14 +18,14 @@
 
 buildPythonPackage rec {
   pname = "cantools";
-  version = "39.4.5";
+  version = "39.4.8";
   pyproject = true;
 
   disabled = pythonOlder "3.8";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-WU8q6A3q24xrCOjhMi1C4lj0DULIDWiG2E4BQ/kLWiM=";
+    hash = "sha256-kzgDr+l96R2ScFOwJ+KhZeTOiRq/jkLWtAmnt9/vqA0=";
   };
 
   nativeBuildInputs = [